x86 Family 6, Model 8 etc

Hi, how do I identify what processor this is: x86 Family 6, Model 6, Stepping 5? And x86 Family 6, Model 8, stepping 3 or 10 etc? I want to compare the processors with others eg PIII, PIIII etc to see whether such a machine is worth having. Thanks.

I assume this list is correct, please let me know if you think it isn't. I've just noticed that there are two entries for some of them: Family 6 Model 6 for instance is listed both as Intel Celeron and Intel Pentium 2, how is this? Also both Model 5 and 6 are listed as Intel Pentium and Intel Celeron. I'm now even more confused, can anyone shed some light on this for me?

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